Take Thomas Edison’s 146-Question Knowledge Test He Gave to Prospective Employees (1921) | Box of delight | Scoop.it
From www.openculture.com - March 16, 2015 4:09 PM
I remember opening my college newspaper one day, and out of it fell what looked like an advertising supplement of unusually utilitarian design. Upon closer inspection, it contained a series of math-y looking problems for the reader to work out and, if they did so, mail in to an address provided.